195922055605 has 4 divisors (see below), whose sum is σ = 235106466732. Its totient is φ = 156737644480.

The previous prime is 195922055591. The next prime is 195922055611. The reversal of 195922055605 is 506550229591.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 93855224164 + 102066831441 = 306358^2 + 319479^2 .

It is not a de Polignac number, because 195922055605 - 2⁷ = 195922055477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19592205556 + ... + 19592205565.

It is an arithmetic number, because the mean of its divisors is an integer number (58776616683).

Almost surely, 2^195922055605 is an apocalyptic number.

It is an amenable number.

195922055605 is a deficient number, since it is larger than the sum of its proper divisors (39184411127).

195922055605 is an equidigital number, since it uses as much as digits as its factorization.

195922055605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39184411126.

The product of its (nonzero) digits is 1215000, while the sum is 49.

The spelling of 195922055605 in words is "one hundred ninety-five billion, nine hundred twenty-two million, fifty-five thousand, six hundred five".